Since you are new to MVC, the best piece of advice anyone can give you is learn how to research you issues rather than asking strangers on the internet to do the work for you and provide the solution.
Master Detail functionality is not trail blazing, it has been done numerous times and has plenty of tutorials on how to accomplish.
Review the following links:
mvc 5 master detail example - Google Search[
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MVC Master Detail Example with Partial View and Modal Dialog[
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c# - How to Insert to Master-detail tables in ASP.NET MVC 5 - Stack Overflow[
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Best Strategy for Master-Detail Data Form in MVC 5 | The ASP.NET Forums[
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Master-Details using ASP.NET MVC[
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Now once you get started on your project and should you get stuck somewhere, feel free to come back with a clear explanation of your issue and relevant code samples so people can replicate your issue. If you do those two things, I am sure someone will be happy to help you with your issue, but expecting someone to deliver you the solution is not the best route to go.