The fallen detective!

A man suspected his wife of seeing another man so he hired a famous Chinese detective, Ram Pam Sim Wimm, to watch and report any activities that might develop.

A few days later he received this report:

Most honorable sir:

You leave house. I watch house. He comes to house. I watch. He and she leave house. I follow. He and she get on train. I follow. He and she go in hotel.

I climb tree - look in window. He kisses she. She kisses he. He strips her. She strips he. He plays with she. She plays with he. I play with ME. Fall out of tree, not see.

NO FEE (the man replied to Ram Pam Sim Wimm).