"Change Partners" by Araucaria

Solution

Original partners: ARMADO & JAQUENETTA (Love's L.L.) - TOUCHSTONE & AUDREY (As You Like It); FERDINAND & MIRANDA (Temp) - THESEUS & HIPPOLYTA (MND); FLORIZEL & PERDITA (Winter's T.) - ORLANDO & ROSALIND (As You Like It); GRATIANO & NERISSA (M of V) - BEROWNE & ROSALINE (Love's L.L.); ROMEO & JULIET - ORSINO & VIOLA (Twelfth N.)
Across 1 DECAP/OD (all rev) 5 [OR/LAND/O] PER<DIT>A 9 [ROM<EO] VI>OLA 10 f<ER/DIN/AND/ [HIPPO>LY/TA] 11 ROSALIND [FLORIZEL] (anag) 12 ARM/ADO/ [AU/DREY] 14 & 25 EDEN/TATA 16 C<A/RAV(e)>ANNED 19 TOUCHSTONE [JAQUENETTA] (Jane, Quetta) 20 See 5 down 22 JU<LIE>T/ [OR/SIN/O] 23 [GR<ATIANO] R>O/SALINE 26 VI<SCERA>TE 27 PASTE 28 [BE<ROW>NE]/ NERIS/SA (rev) 29 THE/SE<US/ [MIR/AND>A]	Down 1 DIVER/GENT 2 CROSS 3 P/EARLY 4 DEFENDANTS (anag) 5 & 20 PUR<E-B>RED 6 RAIL/ROAD 7 IN A/ MANN/ER (anag) 8 ADDIO 13 RA<IN-FO>REST 15 EQUALISER (tie=level) 17 (or)D<ODDER>ERS 18 SHOELESS (anag) 21 D/APPLE 22 J<A/V>AN 24 IS/SUE 25 See 14