A married couple, Molly (Maddie Wren) and Nathan (Ken Feels), decide to spice things up with a roleplay, with Molly deliberately getting stuck under the sink and Nathan pretending to be a plumber. But while retrieving tools outside, Nathan accidentally locks himself out. He calls his sibling Jackson (Will Pounder) for the spare key, but is shocked when Jackson slips inside and locks him out instead. Jackson reveals his feelings for Molly, and – leaving Nathan locked outside – resolves to show her that HE’s the one she should be with. Jackson has sex with Molly as she remains stuck under the sink, with Molly thinking she’s being fucked by her husband. After the truth is revealed, Molly admits that she was enjoying the sex and is willing to let Jackson finish what he started…