"Grand Theft Auto V" (GTA V) is an action-adventure game developed by Rockstar North and published by Rockstar Games. Released in 2013, the game is set in the fictional state of San Andreas and follows the interconnected lives of three criminals as they pursue a series of heists and criminal activities. The main story revolves around the characters Michael De Santa, Franklin Clinton, and Trevor Philips.

**Plot Summary:**

**Prologue:**
The game begins with a prologue featuring a heist in North Yankton, where Michael Townley, Trevor Philips, and Brad Snider rob a bank. The heist goes awry, leading to a series of events that alter the lives of the three protagonists.

**Act 1 - Michael:**
Nine years later, Michael De Santa, living under witness protection in Los Santos, San Andreas, is bored with his new life. He meets Franklin Clinton, a repo man, and the two form an unlikely partnership. Michael's past catches up with him, and he becomes entangled in a series of criminal activities orchestrated by corrupt FIB agent Dave Norton.

**Act 2 - Franklin:**
Franklin, looking for a way out of his dead-end life, sees an opportunity for a better future with Michael. The two work together on various criminal enterprises, including repossession, extortion, and heists. As their criminal empire grows, they become involved in a power struggle with other criminal organizations and corrupt officials.

**Act 3 - Trevor:**
Trevor Philips, believed to be dead after the North Yankton incident, resurfaces in Blaine County. Trevor, a volatile and unpredictable criminal, reunites with Michael, leading to a tense and complicated reunion. The trio collaborates on increasingly ambitious heists, facing both external threats and internal conflicts.

**Act 4 - The Big Score:**
The narrative builds towards "The Big Score," a massive heist that could secure the protagonists' financial independence. The player has the option to choose different approaches to the heist, affecting the outcome. However, tensions rise, and the trio faces betrayal and danger from unexpected sources.

**Act 5 - Endgame:**
The story reaches its climax as the three protagonists must confront their pasts, navigate betrayals, and make crucial decisions that determine their fates. The narrative explores themes of loyalty, family, and the consequences of a life of crime. The player's choices influence the game's multiple endings.

**Endings:**
GTA V features three main endings, with variations based on the player's decisions during the final missions. The endings explore the consequences of the characters' actions and provide different resolutions to their stories. The choices made by the player throughout the game impact the final outcomes.

**Themes:**
The game delves into themes such as crime, corruption, the American Dream, and the juxtaposition of wealth and poverty. GTA V also satirizes contemporary American society and pop culture, providing social commentary on topics like celebrity culture, media, and the pursuit of success.

GTA V received critical acclaim for its expansive open-world, engaging narrative, and the dynamic interactions between its three protagonists. It remains one of the best-selling and most critically acclaimed video games of all time.