The fourth season of Bump picks up two years after the third with Oly (Nathalie Morris) and Santi (Carlos Sanson Jr) back together, having finally stabilised their small family unit with their challenging seven-year-old Jacinda (Ava Cannon).
The new season of Stan's 'Bump' picks up four years after the events of season two, with Oly (Nathalie Morris) and Santi (Carlos Sanson Jr) navigating co-parenting, new partners, Jacinda (Ava Cannon) starting school, and a separation that causes them to realise how important family is.