Answer it in simple and short and with legal basis.

Kristina brought her diamond ring to a jewelry shop for cleaning. The jewelry shop undertook to return the ring by February 1, 1999. When the said date arrived, the jewelry shop informed Kristina that the Job was not yet finished. They asked her to return five days later. On February 6, 1999, Kristina went to the shop to claim the ring, but she was informed that the same was stolen by a thief who entered the shop the night before. Kristina filed an action for damages against the jewelry shop which put up defense of force majeure. Will the action prosper or not?