"Last Splash" follows three college roommates as they look forward to graduation and the coming summer. Phone in hand, the sexually curious Mona (Selena Ivy) captures their lives together, including the more intimate moments. Frustrated by her secret crush, Emma (Lilly Bell) struggles to let go and give into pleasure. Likable but a bit clueless, Eric (Nathan Bronson) and his girlfriend Allison (Anna Claire Clouds) might have crazy chemistry, but is he missing out on a deeper connection? When the group breaks into an empty house to have a pool party, an unexpected twist changes their lives and serves as the sexual awakening they all need.