I will get you back mother if it's the last thing i do
Were's my son
welcome to the house of caesar you will now serve him
The conflict is that Marcus gets enslaved after his father dies. He cant save his mother form the same fate of getting enslaved but will do anything to get his mother free from being a slave.
Now that Marcus is gone, what are we going to do about Caesar
Marcus gets bought buy Caesar so he can be his bodyguard when he goes to Rome for his political matters so he does not die if his political enemy's try to kill him.
Marcus is meeting milo to get into the gang to find out if Ceasar is in any danger from his enemies.
Thanks for saving my life, in return I give you your freedom
The climax is when Marcus is under a bridge after a fight and hears Milo talking with Kasos about his plan to kill Ceasar because he thinks Marcus is dead. When really he is right under there noses listening to the whole thing.
The falling action it when Marcus saves Caesar from getting killed by killing Milo and Bibblos before they have a chance to get there plan out to there gang and kill Caesar.
In the end, Caesar gives Marcus his freedom and a promise to help him find who enslaved him and his mother and to find his mother for saving his life.