200nl 3 big raises before flop

[NaDaChip4U]

not much read on both villian , utg has about $420 and seems to play ok, havent seen him getting out of line but only played him for like 15 min. i have about $250 and first raiser has $150.

utg limps, utg+1 raises to $6, i make it $21 with KK on btn, utg reraises to $68, utg+1 folds, hero??
fold or call to see what happens on flop? and if i call whats the plan on flop and after??