South of the River 2020 focuses on Aaron, the front man of a struggling South London rock band called "The Undefined." While juggling the typical routine of a rock musician – drinks, drugs, gigs, and hook-ups – Aaron is also secretly battling a life-threatening illness, cancer, which he tries to ignore and run away from. The film is a touching and funny drama that explores themes of life, love, and growth, as Aaron must decide whether to continue his rock-and-roll lifestyle or mature and fight for his survival.