What Happened?

Year 2047, two years ago a disaster struck our planet ending all human life.
Three investigation robots were sent, but all were destroyed while holding onto a lot of important information. Sara, the fourth investigation robot is sent out to collect all her the information left by her 'sisters'.
She prepares a variety of tools, in addition to Tom, a cat-like robot assigned to aid her on her mission. Together they go out to the destroyed world to retrieve the information.
(note this,like all my other stories are transferred from my wattpad account of name: A_d_a_m)