1: Girl hatches subterfuge in prison tower (11)
5: Chain some; cuff objectors (3)
7: Don't encourage satellite pace to slacken. (11)
12: Run a piece peculiarly devoted to the pursuit of sensual pleasures (9)
13: Working up here? Not in the next episode (9)
15: Detailed map I sent off (5)
17: Do as I say in short retreat (5)
18: Southern duo, caught in act, gave up hope (9)
19: Odds dropping at each word, the happy rhea Ezra bred becomes unpredictable (9)
21: One-on-one court of some old Greeks (5)
23: Frost to cover the cake (3)
25: Left with pal carrying new gold case (11)
26: Short bloke quietly escaped seaweed (3)
27: Support sign for subordinates (11)