In unit 5 of Team Together 4, the story revolves around a group of friends who decide to participate in a charity run to raise money for a local animal shelter. The main characters, Sarah, Tom, and Emma, are excited about the event and start training together.

As they train, they face various challenges such as fatigue and lack of motivation. However, they support and encourage each other to keep going. They also learn about the importance of setting goals and creating a training plan to improve their performance.

On the day of the charity run, the friends arrive at the event with their families and other participants. They are amazed by the number of people who have come to support the cause. The race begins, and the friends give their best effort, pushing through their exhaustion.

Throughout the race, they encounter obstacles such as steep hills and uneven terrain. However, they persevere and continue running. Along the way, they receive cheers and encouragement from the crowd, which boosts their morale.

Finally, they reach the finish line, exhausted but proud of their accomplishment. They are thrilled to have completed the race and contributed to the animal shelter. The story ends with the friends celebrating their achievement and looking forward to future challenges together.