If you know about movie Finding Nemo, you would be able to get the plot right from Start i.e. The characters and their background.
Well, it is nice and sweet movie as you can enjoy the journey made by Dory(Dory- is a fish who forgets often) to meet her parents. One day Dory recalls her childhood memory remembering about the Jewel of Morocco Bay, California and with help from Nemo and Marlin she sets her journey where she arrives at Monetary Marine Life institute where she make few more friends and then meets her parents.
The plot is pictured in such a way which will carry you till the end and you will find it hard to leave your seats in the middle.