On his arrival, Lee and Hub passionately kiss downstairs, continue the embrace up the staircase, and he then carries her up, presumably to the bedroom. Sex is implied.
Hub bursts in to Lee's bedroom, they passionately kiss (both clothed); the scene then fades to them post-sex under the covers (no visible nudity). They kiss some more, then the scene ends.
Hub and Lee are seen in bed (he's shirtless, she's in a nightgown); he rolls over and they kiss, the scene ends there