Man of Teak

He was a beast! An absolute beast! Storm had managed to survive a light-plane crash only to be stranded in the jungle entirely dependent upon a man who couldn't care less about her need to return to England quickly.

Her entire stage career depended on a new London musical, and all Rann Moorcroft was interested in was working to release the blockage in his old river! But the longer Storm stayed, the more she became interested only in Rann... (Goodreads)