Billie's short visit to the lake is ruined when Justin and Riley's spontaneous wedding goes awry as Maisy reckons with life-changing news about an old enemy: her mother, Mimsy.
An opportunity arises for Justin to redeem himself when he discovers the fire may have been deliberately set. Billie's ideals are challenged by a nemesis and Maisy searches for evidence that her mother is lying about her imminent death.
Justin makes a deal to obtain evidence to prove his arson theory. Billie struggles to adapt to the physical demands of tree planting. Maisy attempts to expose her mother's lies at Jayne's AGM unleashing a Jekyll and Hyde.
Justin crashes Jayne's Aqua Spin class to interrogate arson suspects. Billie is torn between her personal and professional life. Maisy uses a "spa day" to extract medical samples from Mimsy.
When both of Billie's crushes arrive at the Murder Cabin, Billie enlists Justin in a manic game of keep-away. Maisy plans a celebrity talent show to remind the lake why it needs a new boathouse.
A surprise visit from her mother forces Billie to come up with a Justin-esque scheme. Justin and Riley are forced to play a happy couple in hopes of securing a new Boathouse. Maisy struggles to accept her mother's diagnosis is genuine.
