Three British teenage girls go on a rites-of-passage holiday—drinking, clubbing and hooking up, in what should be the best summer of their lives.

Five years after meeting her three fathers, Sophie Sheridan prepares to open her mother’s hotel. In 1979, young Donna Sheridan meets the men who each could be Sophie’s biological father.

A socially awkward, environmentally-conscious teenager named AJ is dragged to a coastal holiday park by her painfully 'normal' family, where she becomes unexpectedly captivated by a chlorine smelling, sun-loving lifeguard named Isla.

When a couple, who have been maintaining a relationship online, finally meet up for the first time since lockdown, they suddenly find themselves experiencing the same issues they faced online in real life.