1. Do not get worried for any case and do not hesitate to take first step.
2. on the basis of the evidences file a case of cheating against the lady. believe me this your only way of protection if she files any false case against you.
3. One can not restrain the other from filing false case and there is no guarantee then if you do not file the case immediately she will not lodge complaint of molestation.
4. on the contrary your case of cheating would deter her from such allegations as she would know that her case loose all the sihe and has would lack any merit.